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WorksheetsPredicting VSPER
Total questions: 11
Worksheet time: 12mins
Name
Class
Date
1.
A lone pair is defined as
a)
A pair of bonding electrons
b)
One non-bonding electron
c)
A pair of non-bonding electrons
d)
A pair of electrons on the central atom
2.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
3.
Which molecule would have this molecular geometry?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
4.
Which of the following shapes has an unshared pairs of electrons on the central atom?
a)
Bipyramidal
b)
Bent
c)
Trigonal Planar
d)
Tetrahedral
5.
According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?
a)
Pairs of valence electrons
b)
Inner shell electrons
c)
Mobile Electrons
d)
Electrons closest to the nucleus
6.
Who could this molecule be?
a)
CH4
b)
CO2
c)
PCl5
d)
BF3
7.
What molecule could this be?
a)
BF3
b)
CH4
c)
H2O
d)
CO2
8.
What is the correct Lewis Dot Structure for ammonia NH3
a)
b)
c)
d)
9.
Which is the correct molecular structure for carbon dioxide?
a)
b)
c)
d)
10.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
11.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
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